interview questions

Deloitte client round questions on 09-11-10

1.Tell me about your experience, roles, responsibilites, your educational background in 3 mins ?
2. what is the difference between normal JVM and IBM JVM?
3.what are the different types of installations you performed ?
4. did you worked from intiall stage of your appserver or after going live or both ?
5.How do you deploy the application tell me the procedure starting from taking the build to deploying it ?
6.What is the best practice to setup connection pooling ?
7.What is active-active and active-passive ?
8.In your environment if you face out of memory exception, how do you trouble shoot and how you solve it ?
9.where do you find hung threads and how do you solve it ?
10.I have horizontal cluster, where i need to send all the request to a single node, how do you do it?
11.how many different people you will interact in your administration ?
12.If you don't know some issue that you are facing in your environment, how do you try to solve it ?
13.what is the release management procedure that you follow ?
14.Can you explain about your environment like how many application servers, how many clusters, how many stand-alone nodes and how many applications ?
15.what is the max heap size that you can specify for a jvm in windows and unix ?
16. how do you identify that an application server is hung ?
17. what are the maximum connections you can specify in connection pooling ?
18. what are the contents of heap dump ?
19. what is the tool that you are using to monitor the Performance of a JVM? Can you explain how can you judge that the performance of a JVM is low, by using this tool
20.What are the pro-active measures that you will take as an administrator ?
21.If you want to improve the response time and load , what can you do ?